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Finding the Third Proportional to 5,211 and 6,844.50

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Solution

The third proportional to 5,211 and 6,844.50 is: 8,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211 : 6,844.50 = 6,844.50 : x
  2. Step 2: Convert to fraction form
    5,211/6,844.50 = 6,844.50/x
  3. Step 3: Cross multiply
    5,211x = 6,844.50 × 6,844.50
  4. Step 4: Simplify right side
    5,211x = 46,847,180.25
  5. Step 5: Solve for x
    x = 46,847,180.25/5,211
  6. Step 6: Final answer
    x = 8,990.06

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.